Home › Exploited CVEs › CVE-2025-3248
CVE-2025-3248: Langflow Missing Authentication Vulnerability
Langflow Langflow · in CISA KEV since 2025-05-05
2025-05-05added to KEV
2025-05-26federal remediation due date
99.99%EPSS exploit probability (30 days) 100.0th percentile
9.8 CRITICALCVSS 3.1
Knownknown ransomware use
28days from NVD publication to KEV
What it is
Langflow contains a missing authentication vulnerability in the /api/v1/validate/code endpoint that allows a remote, unauthenticated attacker to execute arbitrary code via crafted HTTP requests.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-306 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2025-04-07 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2025-3248.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.